Vektosys · Instant & Private
Leap Year Checker
Enter any year to see if it's a leap year and understand exactly why, using the Gregorian calendar rules.
Check a year
2026
Common year
Year
2026
Leap year?
No
Days in year
365
Explanation
2026 is not divisible by 4, so it is a common year (365 days, February has 28 days).
Gregorian leap year rule
- Divisible by 4 → leap year
- Except divisible by 100 → not a leap year
- Except divisible by 400 → leap year again